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Accumulated other comprehensive loss
 6 Months Ended
Jun. 30, 2022
Equity [Abstract]  
Accumulated other comprehensive loss Accumulated other comprehensive loss
The following table summarizes the components of, and the changes in, Accumulated Other Comprehensive Loss (AOCL), net of tax (in thousands):
Retirement PlansForeign Currency TranslationAvailable-For-Sale InvestmentTotal
Quarters Ended:
Balance at Mar. 31, 2022$(112,366)$532 $— $(111,834)
Amounts reclassified from AOCL806 — — 806 
Total other comprehensive income806 — — 806 
Balance at June 30, 2022$(111,560)$532 $— $(111,028)
Balance at Mar. 31, 2021$(120,070)$272 $— $(119,798)
Other comprehensive loss before reclassifications— 189 — 189 
Amounts reclassified from AOCL1,005 — — 1,005 
Total other comprehensive income1,005 189 — 1,194 
Balance at June 30, 2021$(119,065)$461 $— $(118,604)
Retirement PlansForeign Currency TranslationAvailable-For-Sale InvestmentTotal
Six Months Ended:
Balance at Dec. 31, 2021$(113,090)$455 $15,419 $(97,216)
Other comprehensive income before reclassifications— 77 — 77 
Amounts reclassified from AOCL1,530 — (15,419)(13,889)
Total other comprehensive income (loss)1,530 77 (15,419)(13,812)
Balance at June 30, 2022$(111,560)$532 $— $(111,028)
Balance at Dec. 31, 2020$(120,979)$(97)$— $(121,076)
Other comprehensive income before reclassifications— 558 — 558 
Amounts reclassified from AOCL1,914 — — 1,914 
Total other comprehensive income1,914 558 — 2,472 
Balance at June 30, 2021$(119,065)$461 $— $(118,604)
Reclassifications from AOCL to the Consolidated Statements of Income are comprised of recognition of a realized gain on an available-for-sale investment as well as pension and other post-retirement components. Pension and other post retirement reclassifications are related to the amortizations of prior service costs and actuarial losses. Amounts reclassified out of AOCL are summarized below (in thousands):
Quarter ended June 30,Six months ended June 30,
2022202120222021
Amortization of prior service credit, net$(123)$(266)$(248)$(241)
Amortization of actuarial loss1,208 1,619 2,309 2,819 
Realized gain on available-for-sale investment— — (20,800)— 
Total reclassifications, before tax1,085 1,353 (18,739)2,578 
Income tax effect(279)(348)4,850 (664)
Total reclassifications, net of tax$806 $1,005 $(13,889)$1,914